Chapter 8 – Electromagnetic Waves
Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 8 - Electromagnetic Waves
Light with an energy flux of 18 W/cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 20cm^2, the average force exerted on the surface during a half hour time span is
04
Sep
Light with an energy flux of 18 W/cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 20cm^2, the average force exerted on the surface during a half hour time span is Light with an energy flux of 18 W/cm^2 falls on a non-reflecting surface at normal incidence. If [...]
Electromagnetic waves travel in medium with speed of 2×10^8 m/s. The relative permeability of medium is 1. What is relative permittivity of medium?
04
Sep
Electromagnetic waves travel in medium with speed of 2×10^8 m/s. The relative permeability of medium is 1. What is relative permittivity of medium? Electromagnetic waves travel in medium with speed of 2×10^8 m/s. The relative permeability of medium is 1. What is relative permittivity of medium? September 4, 2021 Category: Arihant Physics by D.C Pandey [...]
A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and time, E = 6.3 j^V/m. What is B at this point?
04
Sep
A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and time, E = 6.3 j^V/m. What is B at this point? A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and [...]
One requires 11eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in
04
Sep
One requires 11eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in An LC resonant circuit a 400 pF capacitor and a 100 pH inductor. It is set into oscillation coupled to an antenna. The wavelength of [...]
In an apparatus the electric field was found to oscillate with an amplitude of 18 V//M. The magnitude of the oscillating magnetic field will be
04
Sep
In an apparatus the electric field was found to oscillate with an amplitude of 18 V//M. The magnitude of the oscillating magnetic field will be In an apparatus the electric field was found to oscillate with an amplitude of 18 V//M. The magnitude of the oscillating magnetic field will be September 4, 2021 Category: Arihant [...]
Light wave is travelling along y-direction. If the corresponding E vector at any time is along the x-axis, the direction of B vector at that time is along
04
Sep
Light wave is travelling along y-direction. If the corresponding E vector at any time is along the x-axis, the direction of B vector at that time is along Light wave is travelling along y-direction. If the corresponding E vector at any time is along the x-axis the direction of B vector at that time is [...]
An LC resonant circuit a 400 pF capacitor and a 100 pH inductor. It is set into oscillation coupled to an antenna. The wavelength of the radiated electromagnetic wave is
04
Sep
An LC resonant circuit a 400 pF capacitor and a 100 pH inductor. It is set into oscillation coupled to an antenna. The wavelength of the radiated electromagnetic wave is An LC resonant circuit a 400 pF capacitor and a 100 pH inductor. It is set into oscillation coupled to an antenna. The wavelength of [...]